package com.code.filter;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.util.MultiValueMap;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.lang.annotation.Annotation;

/**
 * @author : [mxf]
 * @version : [v1.0]
 * @className : AuthorizeFilter
 * @description : [描述说明该类的功能]
 * @createTime : [2022/9/24 20:54]
 * @updateUser : [mxf]
 * @updateTime : [2022/9/24 20:54]
 * @updateRemark : [描述说明本次修改内容]
 */
@Component
//@Order(-1)
public class AuthorizeFilter implements GlobalFilter, Ordered {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        ServerHttpRequest request = exchange.getRequest();
        MultiValueMap<String, String> queryParams = request.getQueryParams();
        String authrization = queryParams.getFirst("authrization");
        if("admin".equals(authrization)){
            return chain.filter(exchange);
        }
        // 未权限校验
        exchange.getResponse().setStatusCode(HttpStatus.UNAUTHORIZED);

        return exchange.getResponse().setComplete();
    }

    @Override
    public int getOrder() {
        return -1;
    }
}
